Grand Rivulet Moth
Common NameGrand Rivulet Moth
Scientific NamePerizoma affinitata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)25
Primary Colorsbrown, grey, white
HabitatWoodlands, hedgerows, damp meadows, gardens, and other areas where host plants are present.
Geographic RangeWidespread across Europe, extending eastwards into parts of Asia.
Host PlantsSilene dioica, Silene latifolia, Lychnis flos-cuculi
Flight PeriodMay to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae, known as 'loopers' or 'inchworms', feed on the seeds and capsules of various campion species. Pupation typically occurs in the soil.
Identification TipsKey identification features include the intricate wavy banding pattern on the forewings, particularly the distinct dark and light brown/grey bands, and its relatively small size.
Description
This moth exhibits a complex wing pattern of alternating wavy bands in shades of dark brown, light brown, grey, and white, providing excellent camouflage against bark or foliage.
